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What does the followin way to write a parameter mean?

int CGame::iGetPlayerABSStatus(int iWhatH, int iRecvH, BOOL & bTransparentInvi)

This part: "BOOL & bTransparentInvi"

I took this from old source code of a visual 6.0 project.

Peter Mortensen
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Martin Lopez
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1 Answers1

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It simply means argument bTransparentInvi is a reference to the BOOL data type.

Don't get confused with the placement of the & operator. It's the same as writing BOOL& bTransparentInvi.

Peter Mortensen
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P0W
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  • I still do not understand, which means that the operator is in the middle of both? What is that way of programming used for? – Martin Lopez Jan 28 '17 at 06:21
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    @MartinLopez Please refer reference usage from your favorite C++ book. http://stackoverflow.com/q/388242/1870232 might help, if you don't have one. – P0W Jan 28 '17 at 06:24
  • @MartinLopez Stack Overflow is not a good place to learn the fundamentals of the language. As P0W says - get a book. – Martin Bonner supports Monica Jan 28 '17 at 08:06